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Preliminary Climate Stats for 2011-12 Meteorological Winter

...PUBLIC INFORMATION STATEMENT...
...PRELIMINARY CLIMATE STATS FOR 2011-12 METEOROLOGICAL WINTER...

IN THE FOLLOWING SUMMARY...METEOROLOGICAL WINTER IS DEFINED AS THE 
CONTIGUOUS PERIOD SPANNING DECEMBER 1ST THROUGH THE LAST DAY OF THE 
FOLLOWING FEBRUARY...A PERIOD HEREAFTER DENOTED AS DJF WINTER.

FOR THIS SUMMARY...THE MID-ATLANTIC SNOWFALL SEASON SPANS A PERIOD 
FROM OCTOBER 1ST THROUGH MAY 1ST.

...AVERAGE TEMPERATURES THIS METEOROLOGICAL WINTER 2011-12...

FOR WASHINGTON DC...MEASURED AT REAGAN NATIONAL AIRPORT...DCA...

THE AVERAGE DJF WINTER TEMPERATURE OF 43.4F RANKS AS THE 3RD WARMEST 
WINTER...ON RECORD BEHIND ONLY THE DJF WINTERS OF 1931-32...44.6F 
AND 1889-90...44.3F.

FOR BALTIMORE MD...MEASURED AT BWI THURGOOD MARSHALL AIRPORT...BWI...

THE AVERAGE DJF WINTER TEMPERATURE OF 40.7F RANKS AS THE 7TH WARMEST 
WINTER ON RECORD...THE WARMEST DJF WINTER SINCE 1949-50. THE WARMEST 
DJF WINTER IN BALTIMORE WAS 1931-32...45.3F.

FOR DULLES AIRPORT...IAD...

THE AVERAGE DJF WINTER TEMPERATURE OF 40.1F RANKS AS WARMEST ON 
RECORD...BREAKING THE PREVIOUS WARMEST DJF WINTER OF 39.8F SET IN 
2001-02. THE PERIOD OF RECORD AT DULLES GOES BACK TO 1962.

...SNOWFALL...

...WASHINGTON DC...MEASURED AT DCA...

THE DJF WINTER SNOWFALL OF 2.0 INCHES IN WASHINGTON IS TIED WITH 
2008-09 FOR THE 8TH LEAST SNOWIEST DJF WINTER ON RECORD. THE LOWEST 
DJF WINTER SNOWFALL TOTALS WERE BOTH 0.1 INCHES MEASURED DURING BOTH 
1972-73 AND 1997-98.

IF NO ADDITIONAL SNOWFALL IS MEASURED THROUGH MAY 1ST AT DCA...THE 
CURRENT SNOWFALL SEASON WOULD RANK AS THE 3RD LEAST SNOWIEST ON 
RECORD...BEHIND ONLY THE 0.1 INCH DURING THE 1972-73 AND 1997-98 
SNOWFALL SEASONS.

...BALTIMORE MD...MEASURED AT BWI...

THE DJF WINTER SNOWFALL OF 1.8 INCHES IN BALTIMORE RANKS AS THE 5TH 
LEAST SNOWIEST DJF WINTER ON RECORD. THE LOWEST DJF WINTER SNOWFALL 
TOTAL AT BALTIMORE IS 0.5 INCH IN 1949-50.

IF NO ADDITIONAL SNOWFALL IS MEASURED THROUGH MAY 1ST AT BWI...THE 
CURRENT SNOWFALL SEASON WOULD RANK AS THE 3RD LEAST SNOWIEST ON 
RECORD...BEHIND ONLY THE 0.7 INCH IN 1949-50 AND 1.2 INCHES IN 
1972-73.

...DULLES AIRPORT...IAD...

THE DJF WINTER SNOWFALL OF 3.1 INCHES AT DULLES RANKS AS THE 5TH 
LEAST SNOWIEST DJF WINTER ON RECORD. THE LOWEST DJF WINTER SNOWFALL 
TOTAL AT DULLES IS 0.3 INCH IN 1972-73.

IF NO ADDITIONAL SNOWFALL IS MEASURED THROUGH MAY 1ST AT IAD...THE 
CURRENT SNOWFALL SEASON WOULD RANK AS THE 3RD LEAST SNOWIEST ON 
RECORD...BEHIND ONLY THE 2.2 INCHES IN 1972-73 AND 2.6 INCHES IN 
2001-02.

...OTHER MISCELLANEOUS DJF WINTER STATS...

REALLY COLD DAYS THIS PAST WINTER WERE RARE. THE DAILY MAX TEMP AT 
DCA WAS ABOVE FREEZING THIS DJF WINTER ON ALL BUT ONE DAY...JAN 
22ND...JOINING THE RANKS OF ONLY FOUR OTHER DJF WINTERS WITH ONE 
SUCH DAY. DURING THE WARM WINTERS OF 1931-32 AND 1997-98...EACH DAY 
FEATURED A MAX TEMP THAT EXCEEDED 32F. 

AT DCA...AVERAGE DAILY TEMPERATURES OF 5F OR MORE BELOW NORMAL 
OCCURRED ON 7 DAYS THIS DJF WINTER...1 IN DEC...4 IN JAN AND 2 IN 
FEB. AT BWI...ONLY 6 DAYS AVERAGED 5F OR MORE BELOW NORMAL...1 IN 
DEC...4 IN JAN AND 1 IN FEB.


$$

JRK/SMZ/MRK


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Page last modified: Mar 2, 2012 9:14 AM EST
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